incest

1. N-UNCOUNT Incest is the crime of two members of the same family having sexual intercourse, such as a father and daughter, or a brother and sister. 乱伦

Oedipus, according to ancient Greek legend, killed his father and committed incest with his mother. 据古希腊传说，俄狄浦斯杀死了父亲并与母亲乱伦。